Class: RIO::Cmd::FibPipe

Inherits:
Object show all
Defined in:
lib/rio/fibpipe.rb

Direct Known Subclasses

From, To

Constant Summary collapse

@@depth = 
0

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fib) ⇒ FibPipe

Returns a new instance of FibPipe.



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# File 'lib/rio/fibpipe.rb', line 35

def initialize(fib)
  @fib = fib
  @data = IOPair.new
  @source = nil
end

Instance Attribute Details

#fib ⇒ Object (readonly)

Returns the value of attribute fib.



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# File 'lib/rio/fibpipe.rb', line 33

def fib
  @fib
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/rio/fibpipe.rb', line 34

def source
  @source
end

Instance Method Details

#_fiber_init(trail) ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 64

def _fiber_init(trail)
  self.source = trail.shift
end

#dest_report_data_done ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 61

def dest_report_data_done
  fiber_yield nil
end

#dest_report_new_data ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 58

def dest_report_new_data
  fiber_yield true
end

#dest_wait_for_reader ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 51

def dest_wait_for_reader
  while ans = fiber_yield(nil)
    p "   #{self.class}: Waiting #{ans.inspect}"
    sleep 1
    #break

  end
end

#fiber_yield(*args) ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 47

def fiber_yield(*args)
  @@depth -= 1
  Fiber.yield(*args)
end

#resume(*args) ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 40

def resume(*args) 
  fib.resume(*args)
end

#source_resume(*args) ⇒ Object 



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# File 'lib/rio/fibpipe.rb', line 43

def source_resume(*args)
  @@depth += 1
  source.resume(*args)
end